testinfo_data_AATOCAR5: testinfo_data_AATOCAR5

In bpoconnor/IRTtestinfo: IRTtestinfo

Description

A data frame with IRT test information coefficients and the corresponding z values for the Authority Acceptance scale from the Teacher Observation of Classroom Adaptation-Revised test, based on responses from 8,820 participants (Wu et al., 2012). The z values are in the first column and the test information values are in the second column.

Usage

data(testinfo_data_AATOCAR5)

Source

Wu, J., King, K.M., Witkiewitz, K., Racz, S.J., McMahon, R.J., & Conduct Problems Prevention Research Group. (2012). Item analysis and differential item functioning of a brief conduct problem screen._Psychological Assessment, 24,_444-454.

Examples

head(testinfo_data_AATOCAR5)

plot(testinfo_data_AATOCAR5, type="l", 
     ylim=c(0,(max(testinfo_data_AATOCAR5[,2])+1)), 
     xlim=c((min(testinfo_data_AATOCAR5[,1])-1),(max(testinfo_data_AATOCAR5[,1])+1)), 
     xlab="Latent Trait", ylab="Test Information", 
     main="Test Information Function for the NEO-FFI-A Scale", font.lab=2, cex.lab=1.3)
## Not run: 

bpoconnor/IRTtestinfo documentation built on Sept. 18, 2020, 11:47 a.m.